How can I connect to Facebook and Twitter?

To link the game to your Facebook/Twitter account, perform the following activities:
1. Receive an information window that appears every time you achieve a new level or complete missions.
2. Press the button with an icon of a necessary social network.
3. Input your account data and allow the application access to it. To check it, open your Facebook/Twitter account → find the Settings icon there → choose Applications to see the list of applications linked to your Facebook/Twitter account.
Make sure you have a stable Internet connection enabled while linking the game to your social network accounts.